. . "Astacus astacus Linnaeus, 1758" . "Astacidae" . . . . . . . . . . . . . . "astacus" . . "2010-07-15T12:42:09-0500" . . . "Astacus astacus Linnaeus, 1758" . "European crayfish" . . . . . . . . "Astacus" . . . "Decapoda" . "Astacus astacus Linnaeus, 1758" . . . "Astacus astacus" . . . "97333" . "Arthropoda" . "Malacostraca" . . "6715" . . . "Animalia" . "Linnaeus, 1758" . "http://lod.geospecies.org/ses/ewzjw" .